public List<IPrimitiveConditionData> GenerateRules(List<TouchPoint2> points)
{
// Paths generally contain a lot of points, we are skipping some points
// to improve performance. The 'step' variable decides how much we should skip
List<IPrimitiveConditionData> primitives = new List<IPrimitiveConditionData>();
bool singlePoint = false;
foreach (TouchPoint2 point in points)
{
if (!point.isFinger)
{
primitives.Add(null);
continue;
}
singlePoint = TrigonometricCalculationHelper.isASinglePoint(point);
if (singlePoint)
{
primitives.Add(null);
continue;
}
StylusPoint p1 = point.Stroke.StylusPoints[0];
StylusPoint p2 = point.Stroke.StylusPoints[point.Stroke.StylusPoints.Count - 1];
double slope = TrigonometricCalculationHelper.GetSlopeBetweenPoints(p1, p2);
string sDirection = TouchPointExtensions.SlopeToDirection(slope);
TouchDirection direction = new TouchDirection();
direction.Values = sDirection;
primitives.Add(direction);
}
return primitives;
}
public void Init(IPrimitiveConditionData ruleData)
{
_data = ruleData as TouchDirection;
}
